Question

If X:Y =2:5 and Y:Z = 5:7 Find X:Z



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Answer 1

Answer:

X : Y : Z

2 : 5

    5 : 7

Therefore, X : Z = 2 : 7

   

Answer 2

Answer:

if x/y=2/5

then 5x=2y

y= 5x/2

Now y/z=5:7

putting y=5x/2

5x/2z=5:7

canceling 5 on both side

x/2z= 1:7

moving 2 to right side

x/z=2:7

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